Microsoft® SQL Server 2012 Unleashed

Working with Geometry Data

As mentioned previously, the GEOMETRY data type is implemented as a CLR data type in SQL Server and is used to represent data in a Euclidean (flat) coordinate system. The GEOMETRY type is predefined and available in each database. Any variable, parameter, or table column can be declared with the GEOMETRY data type, and you can operate on geometry data in the same manner as you would use other CLR types using the built-in methods to create, validate, and query geometry data.

Note

SQL Server provides a number of methods for the GEOMETRY and GEOGRAPHY data types. Covering all the available methods is beyond the scope of this chapter. The examples provided here touch on some of the more common methods. For more information ...